sell: sodium fluoride(SF), CAS: 7681-49-4([email protected])

Product Name: Sodium Fluoride SF
CAS No: 7681-49-4
EINECS No.: 231-667-8
Molecular formula: NaF
Molecular weight: 42
Appearance: a white powder or crystal.
Purity: 99%
Place of origin: Hubei Province, China
annual output: 10000MT
Hazardous Grade: 6.1
UN NO: 1690
Packing: Plastic woven bag lined with plastic bag, net weight 25kg.
Loading capacity of 20GP: 25MT
Delivery Port Yangsi Port, Wuhan City or China Main port
Standard: GB4293-84
Properties: White crystal; relative density: 2.258, melting point: 993°C,boiling point: 1695°C. Slightly soluble in water and alcohol, dilute acid; soluble in hydrofluoric acid, forming sodium bifluoride; toxic.

Specifications:
1) Crystalloid 40-120mesh
parameter data
Food grade & Dentifrice grade Industry first grade
Content(NaF)%>= 99 98
SiO2%<= 0.4 0.5
Na2CO3%<= 0.1 0.5
SO4%<= 0.1 0.3
Water insouble matter%<= 0.3 0.5
Acidity (HF)%<= 0.1 0.1
Moisture(H2O)%<= 0.2 0.5
Heavy metal(Pb) 0.005
Remark(food grade and dentifrice grade):
acidity or alkalinity: 0.04ml
fluosilicate: not find out
appearance: without visible impurity
odor: odorless
qualitative----- fluorinion: pass
K: 0.0026
Chloride<120mg/kg
Fe<75mg/kg
heavy metal(Pb)<0.003
moisture(method of loss of weight )<0.1
qualitative---sodium ion: pass
impurity<0.5mg/20g
As<2mg/kg
NaF: 99.2
Particle size: 325mesh
2) Powder 150-240mesh
parameter data
Industry grade
Content(NaF)%>= 98
SiO2%<= 0.5
Na2CO3%<= 0.5
SO4%<= 0.3
Water insouble matter%<= 0.7
Acidity (HF)%<= 0.1
Moisture(H2O)%<= 0.5
Applications:
1) NaF is an important fluoride, used as pesticides and bactericides in agriculture
2) Used as wood conservative, water treatment agent, ceramic pigment and fluoride treament of light metal
3) Used as UF2 adsorbent in nuclear industry
4) Used as materials for making other fluoride chemicals, in enamel industry, medical industry, paper making industry, building materials